/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.integration;

import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.db.utils.EnvironmentUtils;
import org.apache.iotdb.integration.env.EnvFactory;
import org.apache.iotdb.itbase.category.LocalStandaloneTest;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import static org.apache.iotdb.db.constant.TestConstant.*;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

@SuppressWarnings("ALL")
@Category({LocalStandaloneTest.class})
public class IoTDBLastIT {

    private static final String[] dataSet1 =
            new String[]{
                    "CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt01.id WITH DATATYPE=INT32, ENCODING=PLAIN",
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) "
                            + "values(100, 25.1, false, 7)",
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) "
                            + "values(200, 25.2, true, 8)",
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) "
                            + "values(300, 15.7, false, 9)",
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) "
                            + "values(400, 16.2, false, 6)",
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) "
                            + "values(500, 22.1, false, 5)",
                    "flush",
            };

    private static final String[] dataSet2 =
            new String[]{
                    "CREATE TIMESERIES root.ln.wf01.wt02.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt02.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt02.id WITH DATATYPE=INT32, ENCODING=PLAIN",
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) "
                            + "values(100, 18.6, false, 7)",
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) "
                            + "values(300, 23.1, true, 8)",
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) "
                            + "values(500, 15.7, false, 9)",
                    "flush",
            };

    private static final String[] dataSet3 =
            new String[]{
                    "CREATE TIMESERIES root.ln.wf01.wt03.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt03.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN",
                    "CREATE TIMESERIES root.ln.wf01.wt03.id WITH DATATYPE=INT32, ENCODING=PLAIN",
                    "INSERT INTO root.ln.wf01.wt03(timestamp,temperature,status, id) "
                            + "values(100, 18.6, false, 7)",
                    "INSERT INTO root.ln.wf01.wt03(timestamp,temperature,status, id) "
                            + "values(300, 23.1, true, 8)",
                    "flush",
            };

    @Before
    public void setUp() throws Exception {
        EnvironmentUtils.envSetUp();
        prepareData();
    }

    @After
    public void tearDown() throws Exception {
        EnvironmentUtils.cleanEnv();
    }

    @Test
    public void lastWithEmptySeriesTest() {
        String[] retArray =
                new String[]{
                        "root.ln.wf02.status,true,BOOLEAN",
                };

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute(
                    "CREATE TIMESERIES root.ln.wf02.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN");
            statement.execute(
                    "CREATE TIMESERIES root.ln.wf02.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN");
            statement.execute("INSERT INTO root.ln.wf02(timestamp, status) values(200, true)");
            statement.execute("select last temperature,status from root.ln.wf02");

            ResultSet resultSet = statement.getResultSet();
            int cnt = 0;
            while (resultSet.next()) {
                String ans =
                        resultSet.getString(TIMESEIRES_STR)
                                + ","
                                + resultSet.getString(VALUE_STR)
                                + ","
                                + resultSet.getString(DATA_TYPE_STR);
                Assert.assertEquals(retArray[cnt], ans);
                cnt++;
            }

            // Last query resultSet is empty after deletion
            statement.execute("INSERT INTO root.ln.wf02(timestamp, temperature) values(300, 100.0)");
            statement.execute("delete from root.ln.wf02.status where time > 0");
            statement.execute("select last status from root.ln.wf02");

            resultSet = statement.getResultSet();
            Assert.assertFalse(resultSet.next());
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastDescTimeTest() {
        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList(
                                "500,root.ln.wf01.wt01.status,false,BOOLEAN",
                                "500,root.ln.wf01.wt01.temperature,22.1,DOUBLE",
                                "500,root.ln.wf01.wt01.id,5,INT32",
                                "500,root.ln.wf01.wt02.status,false,BOOLEAN",
                                "500,root.ln.wf01.wt02.temperature,15.7,DOUBLE",
                                "500,root.ln.wf01.wt02.id,9,INT32",
                                "300,root.ln.wf01.wt03.status,true,BOOLEAN",
                                "300,root.ln.wf01.wt03.temperature,23.1,DOUBLE",
                                "300,root.ln.wf01.wt03.id,8,INT32"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            boolean hasResultSet = statement.execute("select last * from root.** order by time desc");
            assertTrue(hasResultSet);
            ResultSet resultSet = statement.getResultSet();
            int cnt = 0;
            while (resultSet.next()) {
                String ans =
                        resultSet.getString(TIMESTAMP_STR)
                                + ","
                                + resultSet.getString(TIMESEIRES_STR)
                                + ","
                                + resultSet.getString(VALUE_STR)
                                + ","
                                + resultSet.getString(DATA_TYPE_STR);
                Assert.assertTrue(retSet.contains(ans));
                cnt++;
            }
            Assert.assertEquals(retSet.size(), cnt);
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithUnSeqFilesTest() {
        String[] retArray =
                new String[]{
                        "500,root.ln.wf01.wt02.temperature,15.7,DOUBLE",
                        "500,root.ln.wf01.wt02.status,false,BOOLEAN",
                        "500,root.ln.wf01.wt02.id,9,INT32",
                        "600,root.ln.wf01.wt02.temperature,10.2,DOUBLE",
                        "600,root.ln.wf01.wt02.status,false,BOOLEAN",
                        "600,root.ln.wf01.wt02.id,6,INT32"
                };

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            PartialPath path = new PartialPath("root.ln.wf01.wt02.temperature");

            boolean hasResultSet =
                    statement.execute("select last temperature,status,id from root.ln.wf01.wt02");

            assertTrue(hasResultSet);
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
            }

            // Inject unsequential data
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) values(600, 10.2, false, 6)");
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) values(450, 20.1, false, 5)");
            statement.execute("flush");
            hasResultSet = statement.execute("select last temperature,status,id from root.ln.wf01.wt02");
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
            }
            Assert.assertEquals(cnt, retArray.length);

            String[] retArray3 =
                    new String[]{
                            "900,root.ln.wf01.wt01.temperature,10.2,DOUBLE",
                            "900,root.ln.wf01.wt01.status,false,BOOLEAN",
                            "900,root.ln.wf01.wt01.id,6,INT32",
                            "800,root.ln.wf01.wt02.temperature,20.1,DOUBLE",
                            "800,root.ln.wf01.wt02.status,false,BOOLEAN",
                            "800,root.ln.wf01.wt02.id,5,INT32"
                    };
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, id) values(900, 10.2, false, 6)");
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt02(timestamp,temperature,status, id) values(800, 20.1, false, 5)");
            statement.execute("flush");
            hasResultSet =
                    statement.execute(
                            "select last temperature,status,id from root.ln.wf01.wt01,root.ln.wf01.wt02 order by time desc");
            try (ResultSet resultSet = statement.getResultSet()) {
                cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray3[cnt], ans);
                    cnt++;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithEmptyChunkMetadataTest() {
        String[] retArray = new String[]{"300,root.ln.wf01.wt03.temperature,23.1,DOUBLE"};

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute(
                    "INSERT INTO root.ln.wf01.wt03(timestamp,status, id) values(500, false, 9)");
            statement.execute("flush");
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt03(timestamp,status, id) values(400, false, 11)");
            statement.execute("flush");
            boolean hasResultSet = statement.execute("select last temperature from root.ln.wf01.wt03");

            assertTrue(hasResultSet);
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
                Assert.assertEquals(1, cnt);
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithUnseqTimeLargerThanSeqTimeTest() {
        String[] retArray = new String[]{"150,root.ln.wf01.wt04.temperature,31.2,DOUBLE"};

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute(
                    "CREATE TIMESERIES root.ln.wf01.wt04.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN");
            statement.execute(
                    "CREATE TIMESERIES root.ln.wf01.wt04.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN");
            statement.execute("INSERT INTO root.ln.wf01.wt04(timestamp,temperature) values(100,22.1)");
            statement.execute("flush");
            statement.execute("INSERT INTO root.ln.wf01.wt04(timestamp,status) values(200,true)");
            statement.execute("flush");
            statement.execute("INSERT INTO root.ln.wf01.wt04(timestamp,temperature) values(150,31.2)");
            statement.execute("flush");

            boolean hasResultSet = statement.execute("select last temperature from root.ln.wf01.wt04");

            assertTrue(hasResultSet);
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
                Assert.assertEquals(1, cnt);
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastAfterDeletionTest() {
        String[] retArray =
                new String[]{
                        "350,root.ln.wf01.wt05.temperature,31.2,DOUBLE",
                        "200,root.ln.wf01.wt05.temperature,78.2,DOUBLE"
                };

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute(
                    "CREATE TIMESERIES root.ln.wf01.wt05.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN");
            statement.execute(
                    "CREATE TIMESERIES root.ln.wf01.wt05.temperature WITH DATATYPE=DOUBLE, ENCODING=PLAIN");
            statement.execute("INSERT INTO root.ln.wf01.wt05(timestamp,temperature) values(100,22.1)");
            statement.execute(
                    "INSERT INTO root.ln.wf01.wt05(timestamp,temperature, status) values(200, 78.2, true)");
            statement.execute("INSERT INTO root.ln.wf01.wt05(timestamp,temperature) values(350,31.2)");
            statement.execute("flush");

            boolean hasResultSet = statement.execute("select last temperature from root.ln.wf01.wt05");
            assertTrue(hasResultSet);
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
                Assert.assertEquals(1, cnt);
            }

            statement.execute(
                    "delete from root.ln.wf01.wt05.temperature where time > 200 and time < 400");
            statement.execute("select last temperature from root.ln.wf01.wt05");
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithFilterTest() {
        String[] retArray = new String[]{"500,root.ln.wf01.wt01.temperature,22.1,DOUBLE"};

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute("select last temperature from root.ln.wf01.wt01");
            statement.execute("select last temperature from root.ln.wf01.wt01 where time >= 300");
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
            }

            statement.execute("select last temperature from root.ln.wf01.wt01 where time > 600");
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithLessThanFilterTest() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            long lastTimestamp;
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                lastTimestamp = resultSet.getTimestamp(1).getTime();
            }

            statement.execute("select last temperature from root.ln.wf01.wt01 where time < 100");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertFalse(resultSet.next());
            }

            statement.execute("select last temperature from root.ln.wf01.wt01 where time < 200");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(100, resultSet.getTimestamp(1).getTime());
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("root.ln.wf01.wt01.temperature", resultSet.getString(2));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("25.1", resultSet.getString(3));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("DOUBLE", resultSet.getString(4));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertFalse(resultSet.next());
            }

            // Test if the last value cache is effected.
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(lastTimestamp, resultSet.getTimestamp(1).getTime());
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithLessThanOrEqualToFilterTest() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            long lastTimestamp;
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                lastTimestamp = resultSet.getTimestamp(1).getTime();
            }

            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01 WHERE time <= 50");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertFalse(resultSet.next());
            }
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01 WHERE time <= 100");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(100, resultSet.getTimestamp(1).getTime());
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("root.ln.wf01.wt01.temperature", resultSet.getString(2));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("25.1", resultSet.getString(3));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("DOUBLE", resultSet.getString(4));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertFalse(resultSet.next());
            }

            // Test if the last value cache is effected.
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(lastTimestamp, resultSet.getTimestamp(1).getTime());
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void lastWithCompoundFilterTest() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            long lastTimestamp;
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                lastTimestamp = resultSet.getTimestamp(1).getTime();
            }

            statement.execute(
                    "SELECT LAST temperature FROM root.ln.wf01.wt01 WHERE time > 100 AND time < 200");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertFalse(resultSet.next());
            }

            statement.execute(
                    "SELECT LAST temperature FROM root.ln.wf01.wt01 WHERE time > 100 AND time < 200 OR time > 250 AND time <= 300");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(300, resultSet.getTimestamp(1).getTime());
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("root.ln.wf01.wt01.temperature", resultSet.getString(2));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("15.7", resultSet.getString(3));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertEquals("DOUBLE", resultSet.getString(4));
                Assert.assertFalse(resultSet.wasNull());
                Assert.assertFalse(resultSet.next());
            }

            // Test if the last value cache is effected.
            statement.execute("SELECT LAST temperature FROM root.ln.wf01.wt01");
            try (ResultSet resultSet = statement.getResultSet()) {
                Assert.assertTrue(resultSet.next());
                Assert.assertEquals(lastTimestamp, resultSet.getTimestamp(1).getTime());
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    private void prepareData() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            for (String sql : dataSet1) {
                statement.execute(sql);
            }
            for (String sql : dataSet2) {
                statement.execute(sql);
            }
            for (String sql : dataSet3) {
                statement.execute(sql);
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
